Question 2(iv) Simplify and express the result in power notation with positive exponent:
(3−7÷3−10)×3−5
(3−7÷3−10)×3−5=3−7−(−10)×3−5 [∵am÷an=am−n]=3−7÷10×3−5=33×3−5=33+(−5) [∵am×an=am+n]=3−2=132 [∵a−m=1am]
Question 2(v) Simplify and express the result in power notation with positive exponent:
2−3×(−7)−3
Simplify and express the result in power notation with positive exponent.
(i) (ii)
(iii) (iv)
(v)